         coll2-PROV2-1 (data-core/ingest-umm-spec-collection "PROV2" (data-umm-c/collection {:EntryTitle "E2"
                                                                                             :ShortName "S2"}))
         coll2-PROV2-2 (data-core/ingest-umm-spec-collection "PROV2" (data-umm-c/collection {:EntryTitle "E2"
-                                                                                            :ShortName "S2"})) 
+                                                                                            :ShortName "S2"}))
         _ (index/wait-until-indexed)]
 
     (testing "ingest of a new variable concept with association on PROV1"
       (let [concept (variable-util/make-variable-concept
                      {:Dimensions [(umm-v/map->DimensionType {:Name "Solution_3_Land"
                                                               :Size 3
-                                                              :Type "OTHER"})]
-                      :AcquisitionSourceName "Instrument1"}
+                                                              :Type "OTHER"})]}
                      {:native-id "var1"
                       :coll-concept-id (:concept-id coll1-PROV1-1)})
-            {:keys [concept-id revision-id variable-association]} 
+            {:keys [concept-id revision-id variable-association]}
               (variable-util/ingest-variable-with-association concept)
             var-concept-id concept-id
             va-concept-id (:concept-id variable-association)

          (let [concept (variable-util/make-variable-concept
                         {:Dimensions [(umm-v/map->DimensionType {:Name "Solution_3_Land"
                                                                  :Size 3
                                                                 :Type "OTHER"})]
                          :AcquisitionSourceName "Instrument1"}
                         {:native-id "var1"
                          :coll-concept-id (:concept-id coll1-PROV2-1)
                          :coll-revision-id (:revision-id coll1-PROV2-1)})

      (let [concept1 (variable-util/make-variable-concept
                       {:Dimensions [(umm-v/map->DimensionType {:Name "Solution_3_Land_4"
                                                                :Size 3
                                                                :Type "OTHER"})]}
                       {:native-id "var4"
                        :coll-concept-id (:concept-id coll2-PROV1-1)
                        :coll-revision-id 3})
            concept2 (variable-util/make-variable-concept
                       {:Dimensions [(umm-v/map->DimensionType {:Name "Solution_3_Land_4"
                                                                :Size 3
                                                                :Type "OTHER"})]}
                       {:native-id "var4"
                        :coll-concept-id (:concept-id coll2-PROV1-1)})
            _ (ingest/delete-concept
